Implementation of class-based integration of tapfortap in mopub as described at https://github.com/mopub/mopub-client/wiki/CustomEventsAndroid

Banner

package com.mopub.mobileads;

import java.util.Map;

import android.content.Context;

import com.tapfortap.TapForTap;

public class TapForTapCustomEventBanner extends CustomEventBanner implements com.tapfortap.AdView.AdViewListener {
  private com.tapfortap.AdView tapForTapAdView;
	private CustomEventBannerListener customEventBannerListener;
	
	@Override
	public void loadBanner(Context context, CustomEventBannerListener customEventBannerListener, Map<String, Object> localExtras,
			Map<String, String> serverExtras) {
		this.customEventBannerListener = customEventBannerListener;
		if (tapForTapAdView == null) {
			TapForTap.initialize(context, "<your id>");
			tapForTapAdView = new com.tapfortap.AdView(context);
			tapForTapAdView.autoRollover = false;
			tapForTapAdView.setListener(this);
		}
		tapForTapAdView.loadAds();

	}

	@Override
	public void onInvalidate() {
		if (tapForTapAdView != null) {
			tapForTapAdView.setListener(null);
			tapForTapAdView = null;
		}
	}

	@Override
	public void onFailToReceiveAd(String arg0) {
		if (customEventBannerListener != null) {
			customEventBannerListener.onBannerFailed(MoPubErrorCode.UNSPECIFIED);
		}
	}

	@Override
	public void onReceiveAd() {
		if (customEventBannerListener != null) {
			customEventBannerListener.onBannerLoaded(tapForTapAdView);
		}
	}

	@Override
	public void onTapAd() {
		if (customEventBannerListener != null) {
			customEventBannerListener.onBannerClicked();
		}
	}

}

Interstitial

package com.mopub.mobileads;

import java.util.Map;

import android.content.Context;
import android.util.Log;

import com.tapfortap.Interstitial;
import com.tapfortap.Interstitial.InterstitialListener;

public class TapForTapCustomEventInterstitial extends CustomEventInterstitial implements InterstitialListener {

  private Context context;
	private CustomEventInterstitialListener customEventInterstitialListener;

	@Override
	public void loadInterstitial(Context context, CustomEventInterstitialListener customEventInterstitialListener, Map<String, Object> localExtras,
			Map<String, String> serverExtras) {
		Interstitial.prepare(context);
		Interstitial.setListener(this);
		this.context = context;
		this.customEventInterstitialListener= customEventInterstitialListener; 
	}

	@Override
	public void showInterstitial() {
		Interstitial.show(context);
	}

	@Override
	public void onInvalidate() {
	}

	@Override
	public void onDismiss() {
		customEventInterstitialListener.onInterstitialDismissed();
	}

	@Override
	public void onReceiveAd() {
		customEventInterstitialListener.onInterstitialLoaded();
	}

	@Override
	public void onFail(String message) {
		Log.e("TapForTap", "Failed load : " + message);
		customEventInterstitialListener.onInterstitialFailed(MoPubErrorCode.UNSPECIFIED);
	}

	@Override
	public void onShow() {
		customEventInterstitialListener.onInterstitialShown();
	}
}